849907-81-9Relevant articles and documents
Synthesis of diindeno-fused 4H-cyclopenta[def]phenanthren-4-ones and related compounds via benzannulated enediynyl propargylic alcohols
Han, Xiaoqing,Zhang, Yanzhong,Wang, Kung K.
, p. 2406 - 2408 (2005)
(Chemical Equation Presented) Treatment of propargylic diols 5-7 with thionyl chloride promoted a cascade sequence of reactions leading to dichlorides 10-12 and, after reduction with tributyltin hydride, the diindeno-fused 4H-cyclopenta[def]phenanthrenes
Novel compound and organic light emitting device comprising the same
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Paragraph 0171-0174, (2020/09/30)
The present invention provides a novel compound and an organic light emitting device using the same, wherein the compound is represented by chemical formula 1. The compound may improve life characteristics of the organic light emitting device.
A light emitting element using a metal complex and a
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Paragraph 0443-0445, (2020/10/21)
PROBLEM TO BE SOLVED: To provide a metal complex useful for production of a light-emitting device excellent in light-emitting efficiency.SOLUTION: There is provided a metal complex represented by the following formula: [M is an iridium atom or the like; n1 is 1 to 3; n2 is 0 to 2; A-G-Ais a monovalent anionic bidentate ligand; Rto Reach independently are H, an alkyl group, an aryl group, a halogen atom or the like; Rand R, Rand R, and Rand Rmay be bonded to form a ring together with carbon atoms to which each of them is bonded; Dis an organic substituent having one or more t-octyl groups.]